Home / 3,168.18-4,373.51-2,107.82

Finding the Fourth Proportional to 3,168.18, 4,373.51 and 2,107.82

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Solution

The fourth proportional to 3,168.18, 4,373.51 and 2,107.82 is: 2,909.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.18 : 4,373.51 = 2,107.82 : x
  2. Step 2: Convert to fraction form
    3,168.18/4,373.51 = 2,107.82/x
  3. Step 3: Cross multiply
    3,168.18x = 4,373.51 × 2,107.82
  4. Step 4: Simplify right side
    3,168.18x = 9,218,572.24
  5. Step 5: Solve for x
    x = 9,218,572.24/3,168.18
  6. Step 6: Final answer
    x = 2,909.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.